Description: - Bike headset star nut driver setter installer with 1x 28.6mm star nut for inserting the star-fangled nut found on 28.6mm (11/8'') threadless headset system - Upgraded design for easier operation and long handle prevents your hands from hurt - Simply slide the outer sleeve over the steering tube, drop the star nut, with the fork tube with the ment pin part and then give it a tap with a rubber mallet and done. - It is a great portable tool for bike repair tool, home bike mechanic and outdoor cycling - Precision control makes the star nut inserted stably without worrying overwhelming operationSpecification: - Material:Aluminium Alloy - Sleeve Length: 47mm/1.9inch - Fits for 28.6mm (11/8'') threadless headsetPackage Includes:1 Piece Bike Headset Driver1 Piece Star Nut1 Piece Screw